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Business Combinations, Goodwill and Other Intangible Assets Business Combinations, Earn-out Payments (Details) $ in Millions | Sep. 30, 2024 USD ($) acquisition | Dec. 31, 2023 USD ($) acquisition
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Summary of Earn-out Payments [Line Items] |  |
Number Of Acquisitions Subject To Potential Earn Out Payments Provisions | acquisition | 13 | 14
Business Combination, Contingent Consideration Arrangements, Range of Outcomes, High, Value | $ 108.9 | $ 100.0
Fair Value, Recurring [Member] | Fair Value, Inputs, Level 3 [Member] |  |
Summary of Earn-out Payments [Line Items] |  |
Business Combination, Contingent Consideration, Liability, Current | 11.3 | 12.0
Business Combination, Contingent Consideration, Liability, Noncurrent | $ 23.9 | $ 45.5

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